S-95003A104 M12 DIN 6923, ISO 4161 Flange Nuts

Flange Nuts

1231FA00025 Flange Nuts
1231FA00025 Flange Nuts

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Part No.
Part No. 1231FA00025
Equivalent to mcmaster :
95003A104

Basic Information

System of Measurement Metric
Nut Type Flange, Hex
Specifications Met DIN 6923, ISO 4161

Dimension Parameters

Width 18 mm
Height 12 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Direction Right Hand
Thread Pitch 1.75 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Flange Parameters

Flange Diameter 26 mm
Flange Thickness 1.8 mm

Material & Strength Parameters

Material Zinc-Plated Steel
Strength Class Class 10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced load distribution with a 26mm flange to prevent surface damage and reduce the need for separate washers
  • Superior corrosion resistance thanks to zinc-plated steel construction, extending service life in harsh environments
  • High tensile strength (Class 10) ensures reliable performance under heavy-duty and high-vibration applications
  • Precise Class 6H thread fit for smooth assembly and secure fastening with M12 coarse threads
  • Compliance with DIN 6923 and ISO 4161 standards guarantees dimensional accuracy and interchangeability
  • External hex drive design allows for easy installation using standard tools, improving efficiency
  • RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for industrial use

Professional Applications & Engineering Value

This M12 flange nut is engineered to address common industrial challenges such as joint loosening and corrosion-induced failure. Made from zinc-plated steel, it provides a durable barrier against moisture and chemicals, ideal for outdoor machinery, automotive assemblies, and structural frameworks. The integrated 26mm flange distributes clamping force evenly, minimizing stress on connected materials and eliminating washer requirements. With a coarse thread pitch of 1.75mm and Class 6H thread fit, it ensures quick, reliable engagement in high-vibration settings, reducing maintenance downtime. Certified to DIN 6923 and ISO 4161, this nut delivers consistent performance in demanding applications like construction equipment and industrial manufacturing.

Specification Summary & Compliance

This flange nut features an M12 x 1.75 mm coarse thread with Class 6H thread fit for precise tolerances, adhering to DIN 6923 and ISO 4161 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances are used. The Class 10 strength rating confirms high mechanical performance, while dimensions include an 18mm width, 12mm height, and 1.8mm flange thickness for reliable integration in metric systems.

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